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【单选题】
一个主机的域名地址是由该主机所在域的域名和( )组成。A.
主机名
B.
网络名
C.
机构名
D.
IP地址
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】There have been many great inventions, things that changed the way we live. The first great invention was one that is still very important today — the wheel. This made it easier to carry heavy things ...
A.
The wheel.
B.
The camera.
C.
Movies.
D.
Nylon.
【简答题】阅读理解。 There have been many great inventions, things that changed the way we live. The first great invention was one that is still very important today -the wheel. This made it easier to carry heavy th...
【简答题】铸造分为砂型铸造和（）两大类，砂型铸造又可分为（）两大类。
【简答题】当一笔普通航空货物计费重量很小时，航空公司规定按（ ）计收运费。
【简答题】Task. Listen to the long conversation. At the end of conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. Choose the best answer. 8. A) Informa...
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